Antonyms for "was displeased by" include "was pleased by," "was satisfied with," "was happy with," "was content with," "was delighted by," and "was thrilled by." Sometimes, when we use negative language, it can create a negative tone that can affect our thoughts and emotions. By using positive language, we can shift our mindset and focus on the positive aspects of a situation. Therefore, using antonyms for "was displeased by" can help us to reframe our thinking and approach challenges with a more positive attitude. It can also help us to build better relationships by focusing on what we appreciate about others, rather than what we dislike.